| Tournament | Round | Gillian Briggs | Judith Timoney |
| 12.09.1998 September (SA) | 4 | 348 | 316 |
| 24.10.1999 October (SA) | 3 | 402 | 302 |
| 09.02.2001 Unley February (SA) | 3 | 334 | 323 |
| 20.02.2005 February (SA) | 7 | 412 | 392 |
| 03.02.2008 SA February Tournament (SA) | 5 | 439 | 380 |
| Head-to-head after 5 games | 5 | 0 | |
| Average score | 387 | 342.6 | |
| Spread: | 222 | -222 | |